Taliban targets US and Nato supply convoys  
 

Taliban fighters in Afghanistan are trying to cut off vital routes used to deliver supplies to US and Nato forces.

Convoys of trucks from Pakistan have to travel along exposed highway, making them vulnerable to Taliban ambush.

Al Jazeera's David Chater reports from Aziz Khan Kaly near Jalalabad, the scene of a recent attack on a convoy by the Taliban:

 
 

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